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Old 11-15-2011, 10:19 PM   #1
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Jeep YJ Safe Power Draw through Lighter Socket?

Hello-

I've got an almost unmodified 1989 Jeep Wrangler YJ (2.5L engine).

I'm in NJ, and winter is coming.... I have the stock heat, and a soft top, and can get by with that. I have used a very small 12V supplementary heater in the past that plugs into the lighter socket.

If I want to run accessories off the lighter socket and an additional heater, how much power can I safely draw through the lighter socket for 12V appliances, or how much can I safely use through the lighter socket using a voltage inverter which uses a household electrical plug for power? I definitely don't want to risk wrecking the electrical system.

Many thanks...

-- Sam

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Old 11-16-2011, 12:17 PM   #2
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look on the heater for start up and run amps. it should be safe as long as you do not exceede the rating of the fuse in the fuse panel.

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TREAT EVERY STRESSFUL SITUATION AS A DOG WOULD.
IF YOU CAN'T EAT IT OR PLAY WITH IT,
JUST PEE ON IT AND WALK AWAY.
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Old 11-16-2011, 02:20 PM   #3
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Do what the Chief said. You'll know if you exceeded the capacity because the fuse will blow.
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Old 11-16-2011, 03:48 PM   #4
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Thanks guys !

-- Sam
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Old 11-16-2011, 03:59 PM   #5
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pics 4 ya
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1994 RENEGADE

TREAT EVERY STRESSFUL SITUATION AS A DOG WOULD.
IF YOU CAN'T EAT IT OR PLAY WITH IT,
JUST PEE ON IT AND WALK AWAY.
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Old 12-17-2011, 09:35 PM   #6
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Another option is to run an additional power point on an auxillary fusebox that is seperated from your original electrical system. I run most of my extra electrical needs (lights,winch etc.) through my aux box on my pickup but haven't had the need to set one up on the Jeep yet. I like it as I never worry about overloading my stock system as there is no extra drain on it.
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Old 12-17-2011, 09:44 PM   #7
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Be careful with those little heaters, they have a big draw. I had one plugged into my house, and the outlet it was on was on a dimmer switch. Needless to say, the switch got HOT!!! The dimmer switch couldn't handle the draw.

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